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3 years ago

Express 5 as a percentage of 4

Mathematics

2 answers:

Julli [10]3 years ago

8 0

Answer:

5 is 125% of 4

because 100/4=25% per one

5-4=1

so that means 100% +1 part(25%)= 125%

Step-by-step explanation:

insens350 [35]3 years ago

8 0

Answer:

5% of 4 = 0.05 × 4 = 0.2

Step-by-step explanation:

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Find the equation for the plane that contains the line x=−1+3t , y=1+2t, z=2+4t and is perpendicular to the plane containing the

Ivan

Let $L$ be the line given by the vector equation

$(-1,1,2) + \lambda(3,2,4) \ , \lambda \in \mathbb{R}$ .

First, we use the director vectors of the lines L1 and L2 to get the

vector equation of the plane containing them, which we denote by $\Pi_1$ . This is,

$\\\\\Pi_1 : (1,-1,5) + \alpha (2,-1,6) + \beta (1,1,-3) \ , \alpha, \beta \in \mathbb{R}\\\\\\$

We observe that $\vec{N} = (2,-1,6)\times(1,1,-3) = (-3,12,3) \ne (0,0,0)$ . Therefore, the vector equation of $\Pi_1$ defines a plane and $\vec{N}$ is a normal vector to $\Pi_1.$

Finally, the vector equation for the wanted plane, which we denote by $\Pi$ , is

$\Pi : (-1,1,2) + r(3,2,4) + s(-3,12,3), r,s \in \mathbb{R} \ .$

Thus, if $s = 0$ , then $L \subset \Pi$ and since $\vec{N}$ is parallel to $\Pi$ , then it is perpendicular to $\Pi_1$ .

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3 years ago

The perimeter of a square is 52 find the area of the square

34kurt

Answer:

169 sq. units

Step-by-step explanation:

If the perimeter of a square is 52, then one of its side lengths will be 13. This is because the side lengths of a square are all equal: you can find the length of one side by just dividing the perimeter by 4. Now that you have the length of one side, you can find the area of a square by multiplying said length by itself. 13 x 13 = 169.

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3 years ago

Solve 8 + 3 = −13, for each step, identify the property used

Verizon [17]

Answer:

-2

Step-by-step explanation:

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3 years ago

Express 5 as a percentage of 4​

Express 5 as a percentage of 4